public static void EnsurePeersDiscovered(ref bool peersDiscovered, IPeerUrlSource urls, ICollection <string> peers, string handlerName, Guid selfId, object locker, Action <HttpWebRequest> requestPreparer)
{
if (peersDiscovered)
{
return;
}
lock (locker)
{
if (peersDiscovered)
{
return;
}
foreach (var url in urls.GetPeerUrls())
{
peers.Add(url);
}
// Loop through peers and send the loopbackTest
var queryString = "?" + RequestKeys.LoopbackTest + "=" + HttpUtility.UrlEncode(selfId.ToString());
var peersToRemove = new List <string>();
Parallel.ForEach(peers, peer =>
{
try
{
CreatePrepareAndSendRequestAsync(peer + handlerName + queryString, requestPreparer)
.ContinueWith(t =>
{
if (t.Exception != null)
{
peersToRemove.Add(peer);
}
else
{
using (var sr = new StreamReader(t.Result.GetResponseStream()))
{
var result = sr.ReadToEnd();
if (result != ResponseValues.Ack)
{
// Something wrong with peer, or is ourself, so remove from list
peersToRemove.Add(peer);
}
}
}
})
.Wait();
}
catch (Exception)
{
// Problem contacting peer, remove it from the list
peersToRemove.Add(peer);
}
});
if (peersToRemove.Count > 0)
{
peersToRemove.ForEach(p => peers.Remove(p));
}
peersDiscovered = true;
}
}
public static void EnsurePeersDiscovered(ref bool peersDiscovered, IPeerUrlSource urls, ICollection<string> peers, string handlerName, Guid selfId, object locker, Action<HttpWebRequest> requestPreparer)
{
if (peersDiscovered)
{
return;
}
lock (locker)
{
if (peersDiscovered)
{
return;
}
foreach (var url in urls.GetPeerUrls())
{
peers.Add(url);
}
// Loop through peers and send the loopbackTest
var queryString = "?" + RequestKeys.LoopbackTest + "=" + HttpUtility.UrlEncode(selfId.ToString());
var peersToRemove = new List<string>();
Parallel.ForEach(peers, peer =>
{
try
{
CreatePrepareAndSendRequestAsync(peer + handlerName + queryString, requestPreparer)
.ContinueWith(t =>
{
if (t.Exception != null)
{
peersToRemove.Add(peer);
}
else
{
using (var sr = new StreamReader(t.Result.GetResponseStream()))
{
var result = sr.ReadToEnd();
if (result != ResponseValues.Ack)
{
// Something wrong with peer, or is ourself, so remove from list
peersToRemove.Add(peer);
}
}
}
})
.Wait();
}
catch (Exception)
{
// Problem contacting peer, remove it from the list
peersToRemove.Add(peer);
}
});
if (peersToRemove.Count > 0)
{
peersToRemove.ForEach(p => peers.Remove(p));
}
peersDiscovered = true;
}
}